Multimedia Encyclopedia

Anemia - B12 deficiency

Macrocytic anemia

Vitamin B12 deficiency anemia is a low red blood cell count due to a lack of vitamin B12. Anemia is a condition in which the body does not have enough healthy red blood cells. Red blood cells provide oxygen to body tissues.

Vitamin B12

Vitamin B12 is a water-soluble vitamin. Water-soluble vitamins dissolve in water. After the body uses these vitamins, leftover amounts leave the bo...